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                战斗力                </h1>
                <p>时间限制：10s&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  空间限制：128MB</p>			</div>
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                                <h3>题目描述</h3><p><div align="left"><span style="font-size: medium">&nbsp;</span></div>
<div align="left"><span style="font-size: medium">Tar的同学是LOL大神，但是Tar的某些英雄比他的同学玩得好。每次Tar试图用他某个英雄玩得比同学好这个事情说服他的同学叫他大神时，就会发生这样的蛋疼对话：</span></div>
<div align="left"><span style="font-size: medium">Tar：&ldquo;我提莫玩得比你好，快叫我大神。&rdquo;</span></div>
<div align="left"><span style="font-size: medium">同学：&ldquo;你提莫还没我艾希玩得好呢。&rdquo;</span></div>
<div align="left"><span style="font-size: medium">Tar：&ldquo;你艾希玩得还没我安妮好啊。&rdquo;</span></div>
<div align="left"><span style="font-size: medium">同学：&ldquo;你安妮还没我盖伦玩得好啊。&rdquo;</span></div>
<div align="left"><span style="font-size: medium">Tar：&hellip;&hellip;</span></div>
<div align="left"><span style="font-size: medium">&nbsp;</span></div>
<div align="left"><span style="font-size: medium">讨论到最后Tar发现，按照他同学的奇怪算法，他的同学战斗力的确会比他高一点点。因为每次他随便举出一个英雄X，他的同学就能举出一个英雄X&rsquo;（X&rsquo;不一定和X是一个英雄），而他同学使用英雄X&rsquo;的战斗力的确高于他使用英雄X的战斗力。而且在tar选择的英雄X不同的时候，他的同学选择的英雄X&rsquo;也是不同的，</span></div>
<div align="left"><span style="font-size: medium">换句话说，如果把他们两个人各个英雄的战斗力画在二分图的两侧，那么这个二分图<b>存在</b>一个完全匹配，每个匹配两端，Tar对应英雄的战斗力都严格低于他同学对应英雄的战斗力。</span></div>
<div align="left"><span style="font-size: medium">&nbsp;</span></div>
<div align="left"><span style="font-size: medium">Tar又赢了几局LOL，一些英雄的战斗力数值提高了，可是他发现这几次下来，通过刚才的奇怪算法，他的同学的战斗力依然能够比他高。</span></div>
<div align="left"><span style="font-size: medium">于是Tar现在在考虑的问题就是：在他同学战斗力不变的情况下，Tar到底有多少种战斗力组合会被同学完爆。</span></div>
<div align="left"><span style="font-size: medium">我们假设LOL这个游戏一共有N个英雄，每个玩家的战斗力由N个<b>非负整数</b>刻画，第I个数值表示玩家使用第I个英雄时的战斗力。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></div>
<div align="left"><span style="font-size: medium">&nbsp;</span></div></p><hr/><h3>输入格式</h3><p><div align="left"><span style="font-size: medium">多组数据。第一行是数据组数T。</span></div>
<div align="left"><span style="font-size: medium">接下来T行每行表示一组数据。每组数据以N开头，后面N个整数表示Tar同学的战斗力。</span></div></p><hr/><h3>输出格式</h3><p><div align="left"><span style="font-size: medium">T行，每行一个数表示答案，模1000000007。</span></div></p><hr/><h3>样例输入</h3><pre>4
2 1 2
9 2 2 2 2 2 2 2 2 2
3 5 1 2
5 3 14159 2653589 7 932
</pre><hr/><h3>样例输出</h3><pre>3
512
34
353127147
</pre><hr/><h3>提示</h3><p><p><span style="font-size: medium">对于第一个样例，Tar可能的三种战斗力分别是(0,1),(1,0),(0,0)。<br />
对于第二个样例，Tar的九个英雄战斗力都可能是0或1，根据乘法原理共有2^9=512种可能。<br />
数据范围<br />
100%的数据满足：N&lt;=1000，0&lt;=战斗力&lt;=10^9，T&lt;=5，&Sigma;(N)&lt;=4000<br />
&nbsp;</span></p></p><hr/><h3>题目来源</h3><p>没有写明来源</p>
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